Abaixo está uma instrução que descreve uma tarefa de geração de SQL, combinada com uma entrada que fornece mais contexto sobre os esquemas de tabela disponíveis. Escreva o código SQL que responda adequadamente à solicitação
 ###Instrução: Como grande estava a multidão quando Carlton era o time visitante?
 ###Tabelas: CREATE TABLE 1930s_giants_11-3 (1930s_giants_11-3_id AUTO_INCREMENT PRIMARY KEY, Year INT, Date VARCHAR, Winner VARCHAR, Result VARCHAR, Loser VARCHAR, Location VARCHAR) CREATE TABLE list_of_lighthouses_in_the_philippines (list_of_lighthouses_in_the_philippines_id AUTO_INCREMENT PRIMARY KEY, Lighthouse VARCHAR, Location VARCHAR, Province/City VARCHAR, Date First Lit VARCHAR, Tower height in ft (m) VARCHAR, Focal plane in ft (m) VARCHAR, Current Status VARCHAR, Current Condition/ Description VARCHAR) CREATE TABLE cast_members (cast_members_id AUTO_INCREMENT PRIMARY KEY, Character VARCHAR, Portrayed by VARCHAR, Main cast seasons VARCHAR, Recurring cast seasons VARCHAR, # of episodes INT) CREATE TABLE academic_performance (academic_performance_id AUTO_INCREMENT PRIMARY KEY, Year INT, Number of Examinees INT, Number of Passed Students INT, Pass Percentage VARCHAR, Obtained GPA-5 INT) CREATE TABLE round_5 (round_5_id AUTO_INCREMENT PRIMARY KEY, Home team VARCHAR, Home team score VARCHAR, Away team VARCHAR, Away team score VARCHAR, Venue VARCHAR, Crowd INT, Date VARCHAR)  
SELECT COUNT Crowd FROM round_5 WHERE Away team = carlton